Home / 26,915.09-37,144.04-15,585.08

Finding the Fourth Proportional to 26,915.09, 37,144.04 and 15,585.08

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Solution

The fourth proportional to 26,915.09, 37,144.04 and 15,585.08 is: 21,508.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,915.09 : 37,144.04 = 15,585.08 : x
  2. Step 2: Convert to fraction form
    26,915.09/37,144.04 = 15,585.08/x
  3. Step 3: Cross multiply
    26,915.09x = 37,144.04 × 15,585.08
  4. Step 4: Simplify right side
    26,915.09x = 578,892,571.28
  5. Step 5: Solve for x
    x = 578,892,571.28/26,915.09
  6. Step 6: Final answer
    x = 21,508.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.